Adding colorless to a token is redundant since by default is colorless.
"may pay" is redundant when the cost is mana, it's necessary when the cost is life.
Acolyte of Affliction
Ajani, Strength Of The Pride Shouldn't Be Double Triggers
Akiri, Fearless Voyager
Arena Rector
Arrogant Poet
Artificer's Hex just falls off, removed
Body Snatcher When You Have No Creatures In Hand
Bump In The Night
Cacophony Scamp
Captain Eberhart
Chandra, Hope's Beacon
Deem Worthy
Desecrate Reality
Destructive Tampering
Drake Haven
Dredge The Mire
Explosive Welcome
Fungal Rebirth
Giver of Runes
Glissa's Scorn
Gurgling Anointer
Haunted Angel
Hungry Flames
Hypnotic Cloud
Inniaz, the Gale Force
Jukai Naturalist
Lord Windgrace
Nature's Cloak
Nature's Spiral
Rashmi, Eternities Crafter
Rohgahh, Kher Keep Overlord
So Shiny
Sparktongue Dragon
Sprouting Goblin missing a )
Temple Thief
The Grey Havens
The Mending of Dominaria was shuffling itself
Tolarian Contempt, have to misspell "rejection" on the counter name
Two-Handed Axe // Sweeping Cleave
Urborg Panther
Urza's Sylex
Victory Chimes
Vraska, Swarm's Eminence
Warmonger